/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.pinterest.secor.common;

/**
 * Topic partition describes a kafka message topic-partition pair.
 *
 * @author Pawel Garbacki (pawel@pinterest.com)
 */
public class TopicPartition {
    private String mTopic;
    private int mPartition;

    public TopicPartition(String topic, int partition) {
        mTopic = topic;
        mPartition = partition;
    }

    public String getTopic() {
        return mTopic;
    }

    public int getPartition() {
        return mPartition;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        TopicPartition that = (TopicPartition) o;

        if (mPartition != that.mPartition) return false;
        if (mTopic != null ? !mTopic.equals(that.mTopic) : that.mTopic != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = mTopic != null ? mTopic.hashCode() : 0;
        result = 31 * result + mPartition;
        return result;
    }

    @Override
    public String toString() {
        return "TopicPartition{" +
                "mTopic='" + mTopic + '\'' +
                ", mPartition=" + mPartition +
                '}';
    }
}
